HELP! GAMES BROKEN!!!!!!!!!!!!!!!!!!!!!!!!…

Okay about 5 or 6 months ago i bought ncaa football 2011 and it broke like 2 months after, i lost the Recite can i still get my money back or can i trade in for another game, oh and i bought red undead redemtion 3 months ago and its lame, i have the recite so can i get my money back or will they let me trade for another game as well